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Name: EFM8SB20F32G-B-QFN32
Brand: Silicon Labs
SKU: EFM8SB20F32G-B-QFN32
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Silicon Labs EFM8SB20F32G-B-QFN32

Part No.:: EFM8SB20F32G-B-QFN32

Manufacturer:: Silicon Labs

Package:: 32-VFQFN Exposed Pad

Datasheet:: EFM8SB20F32G-B-QFN32.pdf

Description:: IC MCU 8BIT 32KB FLASH 32QFN

In Stock:: 2273

Quantity:: Add To Cart

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EFM8SB20F32G-B-QFN32 Specifications

Package/Case:
32-VFQFN Exposed Pad
Packaging:
Tube
Series:
Sleepy Bee
RoHS:
RoHS
Speed:
25MHz
RAM Size:
4.25K x 8
Core Size:
8-Bit
EEPROM Size:
-
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:
EBI/EMI, I²C, SMBus, SPI, UART/USART
Mounting Type:
Surface Mount
Number of I/O:
24
Core Processor:
CIP-51 8051
Data Converters:
A/D 23x10b
Oscillator Type:
Internal
Program Memory Size:
32KB (32K x 8)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

EFM8SB20F32G-B-QFN32 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including EFM8SB20F32G-B-QFN32 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for EFM8SB20F32G-B-QFN32 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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EFM8SB20F32G-B-QFN32 information

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EFM8SB20F32G-B-QFN32 Typical application Circuitry

EFM8SB20F32G-B-QFN32

The EFM8SB20F32G-B-QFN32 is a high-performance 8-bit microcontroller from Silicon Labs' EFM8 Sleepy Bee family. This microcontroller is specifically designed for applications requiring low power consumption combined with high processing capability, making it suitable for a range of embedded systems, particularly those in battery-operated and power-sensitive environments.

Key Features and Specifications:

- Core: High-speed pipelined 8051-compatible microcontroller core.

- Memory: 32 KB of flash memory and 2 KB of RAM, supporting complex applications and data storage.

- Peripherals: Includes a full range of peripherals such as multiple timers, UART, SPI, I2C interfaces, and 10-bit ADCs, providing flexibility in device connectivity and sensor integration.

- Pin Count: Available in a compact 32-pin QFN package, optimizing board space.

- Energy Efficiency: Features low power modes, including a stop mode that reduces power consumption to just 0.1 µA, ideal for extending battery life in portable devices.

Application Scenario: Wearable Health Monitoring Device

In this application, the EFM8SB20F32G-B-QFN32 is utilized to control a wearable health monitoring device, which tracks heart rate, body temperature, and other physiological parameters.

Circuit Design Methodology:

1. Core System Configuration:

- Primary Microcontroller: Employ the EFM8SB20F32G-B-QFN32 as the main processor to collect data from sensors, process this data, and communicate with an external interface or display.

2. Power Supply Connection:

- Power Source Integration: Connect the VDD pin to a stable 3.3V power source, derived from a small lithium-ion battery. Include a decoupling capacitor near the VDD pin to stabilize the voltage and filter out noise.

3. Sensor Interface Configuration:

- Connecting Sensors: Attach a heart rate sensor to one of the ADC channels to monitor the user's heart rate continuously. Connect a temperature sensor using another ADC channel to measure body temperature.

4. Communication Setup:

- Data Transmission: Implement the UART interface for communication with a smartphone app or a computer for data logging and analysis. This can help in real-time health monitoring and medical assessments.

5. Programming and Debugging:

- Firmware Updates and Diagnostics: Utilize the C2 (a two-wire debugging and programming interface) pins, specifically C2D (Data) and C2CK (Clock), for programming the EFM8SB20F32G-B-QFN32 and conducting firmware updates or debugging.

Design Considerations:

- Signal Integrity and Noise Management: Given the sensitivity of physiological data, ensure that the PCB layout minimizes noise, particularly around the ADC inputs and power supply lines.

- Electromagnetic Interference (EMI): Use shielding techniques and keep digital and analog circuitry physically separated on the PCB to minimize EMI, ensuring accurate sensor readings.

- Thermal Considerations: While the EFM8SB20F32G-B-QFN32 is not a high-power device, ensure any local heat generation does not affect the temperature sensor readings or wearer's comfort.

- Battery Life Optimization: Optimize the software to utilize the low power modes of the EFM8SB20F32G-B-QFN32 effectively. This includes putting the microcontroller into a deep sleep mode when not processing or transmitting data.

- Safety and Reliability: Implement fail-safes in the firmware to handle potential errors or data transmission issues, ensuring reliable operation of the health monitoring device.

By using the EFM8SB20F32G-B-QFN32 in a wearable health monitoring device, its capabilities in managing sensor data and executing low-power operations can be fully leveraged to deliver continuous, real-time health tracking. This application demonstrates how this microcontroller can be effectively utilized in health tech, providing critical data that aids in health management and medical diagnostics.

EFM8SB20F32G-B-QFN32 FAQ

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3. Are the EFM8SB20F32G-B-QFN32 price and inventory displayed accurate?

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6. What is the process for return or replacement of EFM8SB20F32G-B-QFN32?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the EFM8SB20F32G-B-QFN32 we delivered, we will accept the replacement or return of the EFM8SB20F32G-B-QFN32 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of EFM8SB20F32G-B-QFN32.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations